They're called "man's best friend" for a reason.
It turns out dogs genuinely love their owners, not just because they're holding their favorite treat or chew toy.
The studies are detailed in the book What It's Like To Be a Dog by neuroscientist Dr. Gregory Berns of Emory University in Atlanta.
In an interview with The New York Times, Berns breaks down an experiment where dogs were given hot dogs in some situations and praise in others.
Berns found when researchers looked at the rewards centers of dogs' brains, they responded equally to food and praise.
Read the full story at USA Today.